<u>ANSWER:</u>
Ogallala aquifer supplies "one-third of the irrigation water" in the United States.
<u>EXPLANATION:</u>
- The "Ogallala aquifer" is located in the "Great Plains of the United States" and therefore gives life to almost all fields of the US.
- The aquifer supplies water for one-third irrigation needs of the United States. The Ogallala is an underground reservoir and is very big in size and the agriculture production in the US is dependent on this aquifer.
- The aquifer is however depleting and water level in many areas has become very low.
- It is important for United States to protect and preserve this aquifer so that the agricultural production does not suffer.
Answer: happen or take place
One type of cell that contains half the genetic information of an individual is a S.PERM.
In sexual reproduction, for a zygote to be formed, two type of cells must come together,that is, an egg and a sperm. Each of these cells contain half the information that will be needed to form a new zygote.
I think the answer is:
D.) endangered species extinction.
Hope this helps :)